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If the four Lower Snake River (LSR) dams are breached...

Graphic:  Chinook Recovery rate following LSR Dam breach based on Fish Passage Center's 2017 CSS report Chapter 2 with spill caps of 125% TDG on the Columbia River.  Further survival improvement will come from a 15% decrease in Chinook fishing.
  • Q. What is the timeline for breaching?

  • A. To minimize any deleterious effects of resuspended sediment, breaching should occur when few migrating salmon are present (12/15 - 3/15).

    Breaching Timeline begins in 2018:

    Breaching Timeline ends March 15, 2020



    Breaching is reversible, extinction and ecosystem collapse is not.

    The concept of sustainability has been increasingly brought into focus as we have become convinced that all systems on earth are interrelated and that many of today’s problems were the solutions of yesterday. Sustainability is, however, a very old concept. Most American Indian cultures understood the importance of sustainability and sustainable development, living in harmony with all things.

    Many people are familiar with the Seventh Generation philosophy commonly credited to the Iroquois Confederacy but practiced by many Native nations. The Seventh Generation philosophy mandated that tribal decision makers consider the effects of their actions and decisions for descendents seven generations into the future. There was a clear understanding that everything we do has consequences for something and someone else, reminding us that we are all ultimately connected to creation.

    salmon animated gif